Perbenzoic acid
[化] 过苯甲酸
🧩 词语组成解析
🗣️ 情景例句
Sure, Dad. What?
当然， 爸爸。什么事？
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力赛：获胜者--3班！（好！）干得好！